Experimental investigation on static and dynamic resilient moduli of compacted fine soil

作     者：Qiu Bo Yan Feng Zhang Kang Wei Tang Shu Juan Wang Yan Liu 

作者机构：Jilin Provincial Transport Scientific Research Institute School of Transportation Science and Engineering Harbin Institute of Technology 

出 版 物：《Research in Cold and Arid Regions》 (寒旱区科学（英文版）)

年 卷 期：2017年第9卷第3期

页      面：297-306页

核心收录：

学科分类：081401[工学-岩土工程] 08[工学] 0705[理学-地理学] 0814[工学-土木工程] 

基　　金：supported by the National Key Basic Research Development Plan (2012CB026104) the National Natural Science Foundation of China (51408163, 51578200 and 41430634) 

主　　题：fine soil static modulus dynamic modulus freeze-thaw cycle mathematical relationship 

摘      要：To investigate the static and dynamic resilient modulus of fine soil,and adapting to the new design code and maintenance system of highway subgrade in China,a series of static and dynamic tests were carried out according to the standard laboratory test methods(JTG E40-2007 and JTG D30-2015,respectively).The effects of initial water content,compactness and freeze-thaw cycles on the static and dynamic resilient moduli of fine soil were investigated and *** test results show that with increasing water content,dry density and freeze-thaw cycles,the static moduli reduces about10.2%~40.0%,14.4%~45.5%,and 24.0%~50.3%,and dynamic moduli reduces about 10.9%~90.8%,2.5%~38.4%,and0.0%~46.0%,***,the empirical mathematical relationship between static and dynamic resilient moduli was established under different water content,dry density and freeze-thaw *** investigation results can be used to determine the dynamic modulus of fine soil by widely used static modulus,which could meet the requirement of adopting dynamic modulus index in new specification.